Problems from 2021 ICPC North America Regional Programming Contests (March 5 2022)

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Archery Accuracy0.01871443273%7.5Harden
Average Character0.00271856168991%2.0Easyen
Black and White0.0759219015381%4.8Mediumen
Circle Bounce0.002001079488%5.0Mediumen
Diagonals0.001853634267%7.9Harden
Dorm Room Divide0.0147626618670%6.4Harden
Double Password0.00182637246694%1.5Easyen
Fail Them All!0.008991518456%8.0Harden
Hopscotch 5000.1187818112971%7.1Harden
Overdraft0.00361342119989%1.9Easyen
Problem Set Construction0.01940544074%6.3Harden
Reversibly Cyclic Strings0.003132127385%3.2Mediumen
Rise and Fall0.008834625574%4.6Mediumen
Scaling Recipe0.003492885192%1.9Easyen
Shortest Missing Subsequences0.0939414710974%6.0Harden
Square Bounce0.00470634470%7.1Harden
Tetris Generation0.009043228165%5.9Harden
Tournament Seeding0.0122024820482%4.0Mediumen
Tree Hopping0.0289329121775%6.1Harden
Who Goes There?0.0011947738080%3.7Mediumen
XOR Island0.002791167867%7.0Harden